| 阳极缓冲层修饰对聚合物太阳能电池性能的影响 |
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| 引用本文： | 李熊,徐登辉,赵佳,耿爱丛,邓振波.阳极缓冲层修饰对聚合物太阳能电池性能的影响[J].发光学报,2016,37(3):321-326. |
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| 作者姓名： | 李熊 徐登辉 赵佳 耿爱丛 邓振波 |
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| 作者单位： | 1. 北京工商大学 物理系, 北京 100048;
2. 北京交通大学 光电子技术研究所, 发光与光信息技术教育部重点实验室, 北京 100044 |
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| 基金项目： | 国家自然科学基金(61274063)，北京市属高等学校高层次人才引进与培养计划项目(CIT&TCD201404030)，北京市教委科研计划面上项目(KM201310011008 |
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| 摘 要： | 为提高聚合物太阳能电池的能量转换效率,将聚乙二醇(PEG)掺入PEDOT∶PSS阳极缓冲层,研究了阳极缓冲层修饰对聚合物太阳能电池性能的影响。首先研究了聚乙二醇对PEDOT∶PSS薄膜电导率的影响,发现PEG会与PEDOT和PSS相互作用,使得PEDOT链重新排布,有利于电荷载流子的传输,从而显著改善了PEDOT∶PSS薄膜的电导率,当PEDOT∶PSS中掺入体积分数为2%~4%的PEG时,可得到较大的电导率。然后,以PEG修饰的PEDOT∶PSS薄膜作为阳极缓冲层制备了聚合物太阳能电池,研究了PEG的掺入对聚合物太阳能电池性能的影响。实验发现,PEG改善的PEDOT∶PSS电导率有利于提高电池的短路电流密度和填充因子,从而改善了器件光伏性能。当PEDOT∶PSS中掺入体积分数为2%的PEG时,聚合物太阳能电池的能量转换效率最高,比未掺杂的器件提高了24.4%。
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| 关 键 词： | 聚合物太阳能电池 阳极缓冲层 PEDOT:PSS 电导率 |
| 收稿时间： | 2015-12-03 |
Effect of Anode Buffer Layer Modification on The Performance of Polymer Solar cells |
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| LI Xiong,XU Deng-hui,ZHAO Jia,GENG Ai-cong,DENG Zhen-bo.Effect of Anode Buffer Layer Modification on The Performance of Polymer Solar cells[J].Chinese Journal of Luminescence,2016,37(3):321-326. |
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| Authors: | LI Xiong XU Deng-hui ZHAO Jia GENG Ai-cong DENG Zhen-bo |
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| Institution: | 1. Department of Physics, Beijing Technology and Business University, Beijing 100048, China;
2. Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology, Beijing Jiaotong University, Beijing 100044, China |
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| Abstract: | In order to improve the performance of polymer solar cells, polyethylene glycol ( PEG) was incorporated into PEDOT∶PSS layer, and the effect of anode buffer layer modification on the performance of polymer solar cells was studied. First, the effect of PEG on the conductivity of PE-DOT∶PSS films was studied, and the results show that PEG interacts with PEDOT and PSS, and re-orients the PEDOT polymer chains, which improves the conductivity of PEDOT∶PSS layer signifi-cantly. PEDOT∶PSS layer with 2%-4%( volume fraction) PEG has the optimized conductivity. Then the bulk heterojunction polymer solar cells based on PEG modified PEDOT∶PSS anode buffer layer were prepared. It is found that PEG improves the short-circuit current density and fill factor obviously. The polymer solar cell with 2% PEG modified PEDOT∶ PSS layer gives the maximum power conversion efficiency, as compared with the control device without PEG, 24. 4% efficiency enhancement is achieved. |
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| Keywords: | polymer solar cells anode buffer layer PEDOT∶PSS conductivity |
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